USA, San Jose · 2018-03-11 · from the WORLDHUMMAP archive
Long cycling droaning sound. Louder at night. Louder and more constant since new Apple UFO campus opened. Originally started one night, then got weaker. Few weeks later steered to grow more constant and louder. Coming more from the ground. Sounds more mechanical than natural. Just that I started to notice the sound as the new Apple campus was in its final stages of completion. Since they have begun moving people in Jan 2, 2018, the sound has been more regular, louder, deeper, more intense and constant day and night.
What they reported
First noticed: 2017
Pitch: 17-18 Hz, sometimes as high as 24-25 Hz
Loudest: During the night
Where: Indoors
Symptoms: Ear discomfort (pain, fullness, throbbing), Insomnia, Sense of vibration, Anxiety, Physical increased pressure in skull
Changes with weather: Cold, louder, deeper, more intense vs. nice weather says
Low constant rumbling vibration sound in the near distant, sometimes getting louder as it seems to be getting closer and then backs away. Sounds like Large heavy trucks slowly driving by in …
the accounts read alike, found by meaning rather than by shared details
Low constant rumbling vibration sound in the near distant, sometimes getting louder as it seems to be getting closer and then backs away. Sounds like Large heavy trucks slowly driving by in …
the accounts read alike, found by meaning rather than by shared details
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This is a Hum report from Dr Glen MacPherson's World Hum Map, an open, worldwide record of people who hear an unexplained low-frequency hum. Reproduced with permission and with thanks; the project is at thehum.info. We remove anything on request. Location shown is approximate.
Anomaly